Selective modulator of progesterone receptors.It is used as an emergency contraceptive within 120 hours (5 days) after sexual intercourse. A high plasma protein-binding capacity explains a small passage into observed breastmilk (0.02 mg / L) at the first day (HRA Pharma 2015: 8.3). As an emergency contraceptive it is a medication of limited and occasional use with a total relative dose ingested by the infant less than 1%. World Health Organization states that it can be used as an emergency contraceptive during breastfeeding (WHO 2015). For Ulipristal as TREATMENT OF UTERINE MIOMAS, see specific info on "Ulipristal acetate (uterine fibroid)”.